Honeywell SmartLine ST 700 User Manual page 6

Symbol Description
®:
The Factory Mutual Approval mark means the equipment has been
rigorously tested and certified to be reliable.
The Canadian Standards mark means the equipment has been tested
and meets applicable standards for safety and/or performance.
The Ex mark means the equipment complies with the requirements of the
European standards that are harmonised with the 94/9/EC Directive
(ATEX Directive, named after the French "ATmosphere EXplosible").
ST 700 SmartLine Pressure Transmitters User's Manual
Page vi Revision 13